MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a link farm designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/l0ii0917760hfcnotpbudqe4p0/tobur.pdf In PDF document text
- http://akicgiyim.com/userfiles/file/44375775873.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ul366vt6mvfovjsfgm71mulpud/61529353739.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/22095698058.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/467055cb2fb88f17ed3dc227a3234256/88209984772.pdfIn PDF document text
- http://yesilderecine.com/admin/editor_resim/file/vutudukaxorodaxe.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/3980788063.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074dc69221dd---pipugavurisitojof.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/wuwezeduresos.pdfIn PDF document text
- http://chinalabware.es/d/files/pogazamewiru.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/sinuvimifeluvuvevawolozut.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b17eca472---33138056630.pdfIn PDF document text
- https://palcev.ru/userfiles/file/joditazuvipe.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/62862608427.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/dumerel.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/ead29066f379a3fdc0706c589fa993d9/19414317337.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b06d3976303---31057067378.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773edc8fa7b---53236008791.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fee9800953---jefawuredakuwasapube.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+breed+a+ragnarok+dragon+in+dragonvalePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010841.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10841 | 19584 bytes |
SHA-256: 29399a1041d491443f24601b0dbf527cba75bf03ec1ca9d2f734a552e429c1aa |
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font_01_sfnt_off00013c5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15471 | 10628 bytes |
SHA-256: 93c94e44028e5c06d80a4fb8525ab45a404b97ccc7a9c405044a235d17ee88f6 |
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